Find Deals on Flights from Portland to Costa Rica

Depart
Return
1 adult
Adults
18-64
Seniors
65+
Youths
12-17
Children
2-11
Seat Infants
under 2
Lap Infants
under 2
The price shown for each flight will be the average for all passengers including any infants.
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Book cheap flights from Portland to Costa Rica

(Round-trip)
Depart: Thu Aug 24 2017 Return: Sun Sep 3 2017 Trip spans 11 days
Delta
Delta
PWM
2:00a
LIR
10:03a
8h 03m
1 stop
LIR
9:10a
PWM
5:35p
8h 25m
1 stop
Depart: Wed Mar 29 2017 Return: Sun Apr 2 2017 Trip spans 5 days
United
United
PWM
9:53a
LIR
9:30a
23h 37m
2 stops
LIR
11:00a
PWM
10:12a
23h 12m
2 stops
Depart: Tue Apr 18 2017 Return: Wed May 3 2017 Trip spans 16 days
Major Airline
Major Airline
PWM
7:00a
SJO
7:23a
24h 23m
1 stop
SJO
5:43a
PWM
2:31p
32h 48m
1 stop
Depart: Sat Apr 22 2017 Return: Sat Apr 29 2017 Trip spans 8 days
American Airlines
American Airlines
PWM
10:25a
SJO
7:44a
21h 19m
2 stops
SJO
3:00a
PWM
4:05a
25h 05m
2 stops
Depart: Fri Aug 25 2017 Return: Sun Sep 3 2017 Trip spans 10 days
Delta
Delta
PWM
8:40a
LIR
10:03a
25h 23m
1 stop
LIR
9:10a
PWM
5:35p
8h 25m
1 stop
Depart: Sun May 7 2017 Return: Tue May 9 2017 Trip spans 3 days
United
United
PWM
9:22a
SJO
5:15p
7h 53m
1 stop
SJO
3:45a
PWM
4:37a
24h 52m
1 stop
Depart: Mon Aug 28 2017 Return: Sun Sep 3 2017 Trip spans 7 days
Delta
Delta
PWM
1:45p
LIR
10:03a
20h 18m
1 stop
LIR
9:10a
PWM
5:35p
8h 25m
1 stop
Depart: Wed Mar 22 2017 Return: Mon Mar 27 2017 Trip spans 6 days
Delta
Delta
PWM
1:30a
LIR
6:05p
16h 35m
2 stops
LIR
9:55a
PWM
6:14a
44h 19m
2 stops
Depart: Wed Mar 15 2017 Return: Thu Apr 13 2017 Trip spans 30 days
United
United
PWM
3:00a
SJO
5:55p
14h 55m
1 stop
SJO
3:00a
PWM
1:14p
10h 14m
1 stop
Depart: Mon Jun 19 2017 Return: Thu Jul 6 2017 Trip spans 18 days
Major Airline
Major Airline
PWM
9:50p
LIR
10:03a
12h 13m
2 stops
LIR
9:02a
PWM
11:04p
14h 02m
3 stops
Depart: Sat Aug 26 2017 Return: Sun Sep 3 2017 Trip spans 9 days
Delta
Delta
PWM
4:00a
LIR
10:03a
30h 03m
2 stops
LIR
9:10a
PWM
5:35p
8h 25m
1 stop
Depart: Mon Apr 17 2017 Return: Mon Apr 24 2017 Trip spans 8 days
American Airlines
American Airlines
PWM
6:35a
LIR
9:55a
27h 20m
2 stops
LIR
10:22a
PWM
5:37a
43h 15m
2 stops
Depart: Tue Apr 25 2017 Return: Tue May 2 2017 Trip spans 8 days
Delta
Delta
PWM
2:00a
SJO
9:45a
7h 45m
1 stop
SJO
9:00a
PWM
5:52p
8h 52m
1 stop
Depart: Sun Mar 12 2017 Return: Thu Mar 23 2017 Trip spans 11 days
United
United
PWM
12:45a
SJO
8:40a
30h 55m
1 stop
SJO
2:00a
PWM
5:01a
27h 01m
1 stop
Depart: Tue Mar 7 2017 Return: Tue Mar 14 2017 Trip spans 7 days
Major Airline
Major Airline
PWM
7:40p
SJO
12:51p
17h 11m
2 stops
SJO
3:30a
PWM
9:30a
30h 00m
2 stops
Depart: Sat Mar 11 2017 Return: Thu Mar 23 2017 Trip spans 12 days
American Airlines
American Airlines
PWM
9:20a
SJO
10:51a
24h 31m
1 stop
SJO
10:46a
PWM
7:35a
20h 49m
1 stop
Depart: Mon May 1 2017 Return: Mon May 8 2017 Trip spans 8 days
Delta
Delta
PWM
2:00a
SJO
9:46a
7h 46m
1 stop
SJO
3:20a
PWM
5:52p
14h 32m
1 stop
Depart: Tue May 2 2017 Return: Mon May 8 2017 Trip spans 7 days
Delta
Delta
PWM
2:00a
SJO
5:40p
15h 40m
1 stop
SJO
3:20a
PWM
5:52p
14h 32m
1 stop
Depart: Tue Apr 4 2017 Return: Fri Apr 14 2017 Trip spans 11 days
United
United
PWM
9:29a
SJO
5:45p
8h 16m
1 stop
SJO
3:00a
PWM
4:48p
13h 48m
1 stop
Depart: Sat Jun 24 2017 Return: Sat Jul 1 2017 Trip spans 8 days
American Airlines
American Airlines
PWM
10:50a
SJO
11:30a
24h 40m
1 stop
SJO
10:35a
PWM
7:52a
21h 17m
1 stop
* Prices are per person and are for e–tickets and include all taxes & fees in USD.

We attempt to get accurate prices, however, prices are not guaranteed.

Here's why:

We’re not the seller.
At KAYAK we don’t set the prices, so it’s not possible for us to guarantee what other companies are selling.

We compile tonnes of data for you
Our service lets you quickly and easily compare results from hundreds of travel sites at once. In this sense, KAYAK is a search engine and we can't guarantee prices we find.

Why aren’t prices accurate 100% of the time?
Prices on airline seats, hotel rooms and car rentals can change frequently. Several people may also be trying to buy the same travel option simultaneously. As a result, you may find, on occasion, that certain prices are no longer available.

If you have more questions or if you have a bad price to report to us,
please send us an email and someone from our team will get back to you promptly.

Airports
Origin

Portland
$399
Destination

Liberia
$399
San Jose
$414